Home / 18,424,762.69-25,426,030.50-10,165,173.10

Finding the Fourth Proportional to 18,424,762.69, 25,426,030.50 and 10,165,173.10

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Solution

The fourth proportional to 18,424,762.69, 25,426,030.50 and 10,165,173.10 is: 14,027,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,762.69 : 25,426,030.50 = 10,165,173.10 : x
  2. Step 2: Convert to fraction form
    18,424,762.69/25,426,030.50 = 10,165,173.10/x
  3. Step 3: Cross multiply
    18,424,762.69x = 25,426,030.50 × 10,165,173.10
  4. Step 4: Simplify right side
    18,424,762.69x = 258,460,001,278,379.53
  5. Step 5: Solve for x
    x = 258,460,001,278,379.53/18,424,762.69
  6. Step 6: Final answer
    x = 14,027,860.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.